EP 1662781 A1 20060531 - A method of tuning
Title (en)
A method of tuning
Title (de)
Verfahren zum Abstimmen eines Rundfunkempfängers
Title (fr)
Procédé de syntonisation
Publication
Application
Priority
KR 20040099080 A 20041130
Abstract (en)
A broadcast receiving apparatus and a control method thereof, in which a plurality of tuners performs respectively a channel quick-searching operation and a channel fine-searching operation at the same time, so that receiving channels are quickly and accurately searched, thereby performing a channel preset. The apparatus and control method utilize a first tuner and a second tuner, including tuning a first channel using the first tuner; determining the presence of a synchronous signal in a first broadcast signal of the first channel tuned through the first tuner; retuning the first channel using the second tuner; and determining the presence of a right turning point in a second broadcast signal of the first channel retuned through the second tuner.
IPC 8 full level
CPC (source: EP KR US)
H04N 5/46 (2013.01 - EP US); H04N 5/50 (2013.01 - EP KR US); H04N 21/4263 (2013.01 - EP US); H04N 21/4384 (2013.01 - EP US); H04N 5/45 (2013.01 - EP US)
Citation (applicant)
- US 2004036811 A1 20040226 - IKEGUCHI YASUYUKI [JP]
- US 2002097344 A1 20020725 - SHIBUSAWA TORU [JP]
- US 2004051816 A1 20040318 - IKEGUCHI YASUYUKI [JP]
- EP 0834991 A1 19980408 - IRDETO BV [NL]
Citation (search report)
- [XA] US 2003196211 A1 20031016 - CHAN PETER [US]
- [XA] US 2004036811 A1 20040226 - IKEGUCHI YASUYUKI [JP]
- [Y] US 2002097344 A1 20020725 - SHIBUSAWA TORU [JP]
- [Y] US 2004051816 A1 20040318 - IKEGUCHI YASUYUKI [JP]
Citation (examination)
- EP 0834991 A1 19980408 - IRDETO BV [NL]
- KR 20000040871 A 20000705 - DAEWOO ELECTRONICS CO LTD
Designated contracting state (EPC)
DE GB NL
DOCDB simple family (publication)
EP 1662781 A1 20060531; CN 100488235 C 20090513; CN 1783962 A 20060607; KR 100633089 B1 20061011; KR 20060060174 A 20060605; US 2006116093 A1 20060601; US 7643098 B2 20100105
DOCDB simple family (application)
EP 05111040 A 20051121; CN 200510127083 A 20051130; KR 20040099080 A 20041130; US 28822805 A 20051129